11.239.40.64/26

Public

Class A — /26 prefix — 62 usable hosts

Network Address
11.239.40.64
Broadcast Address
11.239.40.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
11.239.40.65
Last Usable IP
11.239.40.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (11.239.40.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 11.239.40.127 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 62 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.192 is the dotted-decimal equivalent of /26. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 11.239.40.64/26
Network Address 11.239.40.64
Broadcast Address 11.239.40.127
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class A
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 11.239.40.65
Last Usable IP 11.239.40.126
Network (Hex) 0x0BEF2840
Broadcast (Hex) 0x0BEF287F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001011.11101111.00101000 00001011.11101111.00101000.01000000
Subnet Mask
11111111.11111111.11111111.11000000

The first 26 bits (1s in the mask) identify the network. The remaining 6 bits identify hosts within the network.

Split into Equal Subnets

Split 11.239.40.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 11.239.40.64/27 11.239.40.64 11.239.40.65 11.239.40.94 11.239.40.95 30
2 11.239.40.96/27 11.239.40.96 11.239.40.97 11.239.40.126 11.239.40.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

11.239.40.64 net
11.239.40.65
11.239.40.66
11.239.40.67
11.239.40.68
11.239.40.69
11.239.40.70
11.239.40.71
11.239.40.72
11.239.40.73
11.239.40.74
11.239.40.75
11.239.40.76
11.239.40.77
11.239.40.78
11.239.40.79
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

Calculate Another